16 



FAKMERS BULLETIN 835. 



usually pass the night. Apparently they are hungry and thirsty at 

 this time and greedily take the bait if it be available. In the moister 

 portions of the country, such a<? New England and Florida, the bait 

 is best applied in the early morning. Farmers should not be dis- 

 couraged if the grasshoppers do not drop dead immediately upon 

 eating the poison, as it usually takes 2^ hours or more for the full 

 effect of the baits to become apparent* 



WHITE GRUBS. 2 



White grubs (fig. 9) are the young of the common brown May 

 beetles, or "June beetles," which begin to appear during the latter 



FIG. 9. A full-grown white grub. Greatly enlarged. 



part of April and continue to be seen in the evening throughout the 

 month of May and even as late as June. These beetles lay their eggs 

 in the ground, preferably in timothy grasslands. The little grubs, 

 upon hatching, feed largely upon decayed vegetable matter in the 

 soil and therefore are not usually detected at this time. On the ap- 

 proach of cold weather they burrow deeply into the soil, where they 

 sleep or hibernate during the winter. When the next spring arrives 



1 Further information regarding these pests is contained in Farmers' Bulletin 747, 

 which may be secured free of charge upon application to the Secretary of Agriculture, 

 Washington, D. C. 



2 Lachnostcrna spp. 



